Today | Weather | Tuesday, April 7, 2026

Weather in Flagstaff, Arizona

12:38 PM
Now
Cloudy Weather
64° F
Feels Like 73°
Precipitation 7 %
Wind 7 mph
UV Index (0 - 11+) 8
Humidity 25 %
Today
Cloudy Weather
Day 68°
Night 36°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Flagstaff Weather Forecast Updated

Last updated on

Air Quality in Flagstaff

NOW
56 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.24 µg/m³
PM10 13.35 µg/m³
O3 0.056 ppm
NO2 0.6 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 2.42 µg/m³
NO 0.24 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.54.24 µg/m³
PM1013.35 µg/m³
O3109.93 µg/m³
NO21.14 µg/m³
SO20.44 µg/m³
CO120.44 µg/m³
NH32.42 µg/m³
NO0.24 µg/m³